Post on 20-Aug-2015
transcript
Western Wayne School District
Brian SeamanDirector of Technology
About Western Wayne
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• Located in Rural Northern Wayne County, PA
• 2,500 students, 350 teachers/administrators
•More than 1,200 computers
• IT staff of 4
Confidential
Motivators of ChangeContentstyleguidelines• Logistics of annual replacements
• What causes a slow machine?
• How can we double the lifecycle of a machine?
• How could we perform maintenance from one console?
Confidential
The progressionContentstyleguidelines• Attended VMware ESX training first to support one
virtualized Windows server (December)
• Virtualized 6 servers and got comfortable with the Virtual Infrastructure Client (March)
• Began asking vendors for options (April-June)
– Licensing and Hardware
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The planContentstyleguidelines
• Use $72,000 destined to replace 60 computers for new virtual infrastructure.
• Secure 2-year 0% Dell financing - EqualLogic SAN. (22TB)
• Purchase 100-client pack of VMware licensing.
• Purchase 50 Wyse S10 thin clients (for libraries)– 50 more if successful (for elementary school)
Confidential
The layoutContentstyleguidelines
Confidential
VMware Management
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• Wyse S10
• GX620
• SX270
The choices
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• Utilizes Wyse Thin OS
• The unit reboots twice as it sets the configuration
S10 Configuration
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The configuration
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The Wyse Device Manager
Wyse Thin Clients use VNC to remotely manage deployed clients from a central management console
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View AdministratorContentstyleguidelines
Confidential
The SAN Headquarters
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The high school implementation
Thin clients – can access 2 pools (basic and advanced)• Programs: Office 2013, Adobe CS4, Read
Naturally, Autodesk, Visual Studio 2008, Microsoft Expression Studio 4, and Pennsylvania Keystone Exams
10 X90L laptops deployed in library• Programs: Study Island, Internet Research
−Also used for edoptions for Alt Ed Students.−Run Windows XP Embedded
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“Virtualization coupled with Wyse thin clients have been a great addition to our technology in the high school. I, along with the students and staff have been surprised that they do extend the same capabilities as ordinary computers. So much in fact, that we do not even realize that they are not traditional PCs.”
– Mrs. Diane Scarfalloto, High School Principal
High school reactions
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The elementary implementation
• Initial mid-year deployment of 50 thin clients into grades pre-K through 4. Currently, all labs utilize thin clients.
• 2 thin clients allow reinforcement of materials that are taught in the lab
• Network printers reside in central corridors of the hallways. (Location-based printing, determined by GPO and Subnet)
Confidential
Elementary reactions
“Teachers of Robert D. Wilson are more confident users of technology this school year than any other school year. The professional staff are more readily able to connect with web-based educational sites for instruction and program management such as Harcourt, Florida Center For Reading Research, Pennsylvania Department of Education and SRA-Scholastic.”
–Mrs. Maria Miller, Elementary Principal
Confidential
District benefits
• Decreased power consumption – thin clients
• Allows central processing and administration
• Extends Desktop Lifecycle from 4 to 8 years
• Classrooms for the future laptops can be fully sustained within 5 years
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CFF sustainability
Year 1 Year 2 Year 3 Year 4 Year 5 Year 6Desktop Replacement 100 100 100 100 100
57,700.00$ 50,000.00$ 57,700.00$ 50,000.00$ 57,700.00$ Savings 24,300.00$ 32,000.00$ 24,300.00$ $82,000
150 150Infrastructure
Laptop Replacement
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The reality
• The ultimate solution is a mixed environment made up of laptops, advanced PCs, and thin clients
• Accessories and multimedia delivery warrant a desktop machine in certain instances
• It is possible to cut down on licensing due to the pooling of images
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Lessons learned: possible issues
• Location-based printing required in floating pools - Printer install on logon uses resources• User profiles greatly increase logon time, but take
up storage. Takes time to perfect, but worth it! • Patience and Learning – Understand this is different
and takes time for yourself to learn• Windows – ThinPC (no .NET) vs. Enterprise
- Depends on user needs• Pool type – floating vs. persistent with linked-clone
or full?
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Lessons learned: all positivesContentstyleguidelines
• Separate servers and classroom VMs - Order servers with RAM (96 +) - Leverage SANs with local storage for VMs• Users really don’t know what they need in a
workstation. - Stick to your deployment – don’t let them say no.• Classroom machines are always up-to-date now.
- Reimaging takes hours and can be done from home.• Less hardware repair – Troubleshooting is virtual • Networking- endpoints can now be 100MB with GB
uplinks. - Subnet often and utilize distributed switches.
Confidential
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• Mobile computing (BYOD) vast OS support - View Client – Mac, iOS, Android, Linux, Kindle - Administrators tablets w/keyboards (pre-Surface) • Power-savings
- With the latest servers, you can run more VMs• Support for SAN
- EqualLogic firmware still improves my 5 year old SAN• Separate network for iSCSi SAN storage.
- Less guessing during performance tuning• ThinApp common programs
Lessons learned: all positives
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